sandwich n.夹心面包，三明治 vt. 夹入中间
Mary ate a jelly sandwich for lunch.玛丽午餐吃了一个果冻三明治。
He was sandwiched between two large boxes on the seat.他被夹在座位上的两个大箱子中间。
sausage n.香肠，腊肠
David fried some sausages for dinner.戴维煎了一些香肠做晚餐。
scale vt.攀登 n.等级；刻度；规模
Monica scaled the ladder and painted her house.莫妮卡爬上梯子，粉刷了她的房子。
A large-scale price deduction will be made around the Christmas season.圣诞节期间将进行大规模减价。
scan vt.扫描；细看，审视
Johnscanned the reading assignment briefly before class.约翰在上课之前大体浏览了一遍阅读作业。
scarce adj.缺乏的，稀有的，罕见的
Chromium is a comparatively scarce element, occurring in nature only in compounds.铬是一种相对稀有的元素，在自然状态下只会出现在合物中。
scare v.惊吓，（使）受惊
Courageous people can't be scared easily.勇敢的人们不会轻易被吓倒。
scatter v.分散，扩散
If you scatter salt on the sidewalk，it will melt the ice.如果你在人行道上撒些盐，就能融化冰。
scenery n.风景，景色
She enjoys mountain scenery very much.她非常喜欢山上的风景。
schedule n.时间表；计划表 vt.预定，安排
On the airline schedule, I saw that there was a flight to Osaka at seven o’dock.在航班时刻表上，我看到有一班7点钟飞往大阪的飞机。
Flight 220 is scheduled to arrive at 10:30 p.m.220航班预计抵达时间为晚上10:30。
scheme n.①方案②阴谋
There’s a new scheme in our town for recycling plastic bottles.我们城市有一个回收塑料瓶的新方案。
They have a scheme to bring the jewels into the country without paying duty.他们有一个阴谋，想不交税，偷偷把珠宝带进这个国家。